Use a program like or 7-Zip to right-click the file and select "Extract Here."
If the game fails to launch with a "software was closed" error, you likely need to update your sigpatches to match your current CFW version. Prodeus (NSP)(Update 1.0.0.7).rar
Ensure your Switch firmware is compatible with version 1.0.0.7 of the game. Newer updates often require more recent system firmware versions. Use a program like or 7-Zip to right-click
Reinsert the SD card into your Switch, boot into your custom firmware (CFW) like Atmosphere , and open a homebrew installer such as Goldleaf or Tinfoil . Reinsert the SD card into your Switch, boot
Ensure you now have a file ending in .nsp . If the archive contains both a "Base" and "Update" file, you will need to install the base game first.
Since the file is in a .rar format, you must first extract it on your PC before transferring it to your console.